One of BMW’s best-selling automobiles is the 5 Series midsize sedan, which has been in production since 1972. Revised in 2017, it was redeveloped to allow a significant weight loss, but is now 1.2 inches longer, 0.3 inch wider and 0.6 inch taller than the outgoing model. The new 5 Series features an updated user interface, gesture control, head-up display, remote 3D view and voice control. Other tech includes remote control parking and advanced driver assistance systems. Several models will be available, and in 2017 they feature BMW's all-new line of lightweight, TwinPower Turbo engines. The 530i is powered by a 248-hp, 2.0-litre inline-four engine; the 540i gets the gutsier 335-hp, inline-six with a respectable 332 lb.-ft. of torque. The xDrive versions feature the same engines, but equipped with BMW’s all-wheel drive system. All models are equipped with an eight-speed auto. The much-revered M5 will also be available in early 2018.